Adcom GFA 555 power amp plus GFP 565 Preamp. Ran the amp and preamp hard for the last week. I did not test the GFS-6 speaker switch. Used my Lab 400 direct drive to test phono input and played all 4 s

 

Here are a matched pair of Genuine Telefunken made EF86 Pentodes . They are in the original boxes and both  test as new in an Avo 163. And yes they have the diamond between the pins   .$18 postage a

 

You are bidding on a very nice HP-41C Case. Vintage no cracks or marks with working zipper One of a kind and clean Case Posted with eBay Mobile

 

Up for auction is this pair of Amperex Bugle Boy 6DJ8 vacuum tubes. Both tubes were tested on a Sencore TC-31 tube tester and both tested good with no leaks or shorts. Both tubes have grey plates with

 

i000000 Gold Crystal cartoon USB 2.0 Memory Stick Flash pen Drive Enough 8GB USB73 Click to Enlarge Click to Enlarge Attention: All the USB flash drive send out before we are all tested , but "No box,

 

A very nice pair of the hard to find 12R-LL3 (12AV7-12AT7-ECC81) manufacturer NEC in white boxes. Very nice aluminium coloared plates and copper rodes. This tube is very often used in Japanese schemat

 

These Marshall branded EL34 tubes were manufactured by Svetlana C. The dead give away is the construction of the tube. This matched quad has been tested for shorts and quality, They are all matched wi

 

You are bidding on a Stromberg Carlson radio cabinet for a SR-407 all tube AM/FM receiver. (not included) Included is a NOS replacement metal screen printed face and separate molding in near perfect c

 

The Altec items I have came from the original owners who have had them since new. The late 50's or early 60's. This auction is for Altec 306a Am/FM Tube Radio Tuner in the original Box. It does light

 

Beautiful example of late 50's-early 60's technology. Either bakelite or plastic-just not sure. Has on-off, left, right, mute buttons which seem to work fine. When pressing these, the inside can push